Casement window



G. R. SHAW CASEMENT WINDOW Sept. 1, 1931.

Filed Dec. I, 1930 Patented Sept. 1, 1931 1,821,449

uniren STATES ATENnoFFicE Application filed December 1, 1930, Serial No.499,339, and Great Britain December 9, 1929.

This invention relates to improvements in in this position by securingthe easement M casement windows and has for its object the stays. J vproduction of a window which is proof The invention is illustrated inthe accomagainst forcible entry even when open, expanying drawing.showing. a plan section cent of course by smashing the glass, prethrougha window and adjoining wall. 5 5 vents direct draught when open,prevents I In this drawingl indicates the wall of entry of rain, snow orsleet, and which can the building in which the windowismountbe cleanedon the outside from the inside ed and 2 the sill. The windowframe stilesof the room. 3, 3:have their rear'faces cut at an angle According tothis invention the window is and are securedto the wall 1 in any usual60 made in two vertical halves which are manner. The ,frontzfaces of thewindow hinged to the opposite stiles or other fixed frames stiles 3, 3are rebated att toaccompart of the window frame, and in such a modatethe outside vertical stiles 5, 5 of the manner that the two halves canrotate on window halves 6,6. .As will be seen from 1 their hinges so asto be angularly disposed the drawing, when the stiles 3, 3 are fixed toone another when the window is shut, in position the rebates 4, 4: areinclined to the apex of the angle pointing inwards thus thethickness'of. the wall. Each half 6, 6 forming a bay window with the baytowards of the window ishinged to a window frame the inside. When openfor the purpose of stile 3, 3 and owingto the inclination oftheventilation the central stiles of the two rebates 4, 4, thehalves of thewindow, when 0 halves of the window abut against each shut, willinclineuinwards, the stiles 7, -7 other. 7 abutting against the inclinedrebatesof the Each half of the window is held in decentral mullion 8.4T0 permit of the proper sired position by a casement stay, and eachfitting of the stiles v 7; 7 .againstthe mullion half can be openedright out independently 8, it is-tapered smallerfrom the inside to l5 ofthe other when required. the outside. T n

The fixed mullion, against which each When the window halves 6,6 areopened half of the window abuts when shut, tapers out, the stiles 7 ,'7thereof will abut against smaller from the inside to the outside andeach other when the two halves are-in a is rebated at the proper angleto accommostraight line. This. position is shown in 80 date the windowcentral stiles. dotted lines in the drawing. To hold the The rear of thewindow frame stile to window in this position one of the stiles 7, whicheach half of the window is hinged, 7 is provided with an external stopplate 9 is out at an angle so that when secured in secured to 1 m e in0118 With the stile and position, the rebates for accommodating theextendlng across h meeting line of the two 85 stiles are inclined,instead of parallel to the $1193 ;T Wmdow a then be locked thickness ofthe n in this position by securing the casement In order to permit ofthis arrangement 1 9 in theusual manner A the window frame is fixed inposition near c a1m' the outside of the wall, whilst the mullion ZWindow comprising W 90 is fixed near the inside of the wall and cen-Vertlca m Ves hmged near the Outer slde of the wall to o osite stiles ofa window tmlly of the aPer ture' frame, a mullion ii xed centrally ofthe Win- One of the Wlndow halves has t dow frame and near the innerside of the P fixed to fi P and p j l wall and means for openin andclosin across the meeting line of the vertical cenid i d h l b b tralstiles. When both halves are opened 2 A nt window comprising twotogether, the other half of the window will v rti al halves hinged nearthe outer side abut against this stop, when the two halves of the wallto opposite stiles of a window are in line, and the halves can then beheld frame, a mullion fixed centrally of the window frame and near theinner side of the wall, said mullion tapering smaller from inside tooutside, inclined rebates on said mullion to accommodate the innerstiles of the window halves, and means to open and close said windowhalves.

3. A casement window comprising two vertical halves hinged near theouter side of the wall to opposite stiles of a window frame, inclinedrebates on said window frame stiles, a mullion fixed centrally of thewindow frame and near the inner; side of the wall, said mullion taperingsmaller from inside to outside, inclined rebates on said mullion toaccommodate the inner stiles of the Window halves, and means to open andclose said window halves.

4:. A casement window comprising two vertical halves hinged near theouter side of the wall to opposite stiles of a window frame, inclinedrear faces on said window frame stiles, rebates on said window framestiles, a mullion fixed centrally of the window frame and near the innerside of the wall, said mullion tapering smaller from inside to outside,inclined rebates on said mullion to accommodate the inner stiles of thewindow halves, and means to open and close said window halves.

5. A casement Window comprising two vertical halves hinged near theouter side of the wall to opposite stiles of a window frame, an externalstop plate on one of said vertical halves, inclined rear faces on saidwindow frame stiles, rebates on said window framestiles, a mullion fixedcentrally of the window frame and near the inner side of the wall, saidmullion tapering v smaller from inside tofoutside, inclined rebates onsaid mullion to accommodate the inner stiles of the window halves, andmeans to open and close said window halves.

'In testimony whereof I have hereunto set my hand this 18th day ofNovember 1930.

7 GEORGE REGINALD SHAW.

